Letter, 28 July 1925, Edinburgh, Charles Guthrie to Annie Friedberg. Covering note for some press cuttings which Guthrie suggests may be used in. Holograph signed.

Letter, 29 January 1929, Surrey, Robert Trevelyan to Charles Guthrie Esq.. Discussion of the performance of the opera and the financial and legal considerations. Typescript copy.

Letter, 30 April 1929, London, H. Middleton to Charles Guthrie. Discussing the success of ' The Bride of Dionysus' and Tovey's greatness. Ms. Transcript.

Letter, 14 March 1929, London, H. W. Elliot to Charles Guthrie. Covering note for an estimate from Charles Ricketts. Typescript copy.

Letter, 9 August 1939, Edinburgh, Charles Guthrie to Mrs. Lumsden. Concerning the theft of three wigs. Typescript copy.

Letter, 19 November 1945, Edinburgh, Charles Guthrie to Oxford University Press. Discussing Grierson's plans to produce a biography of Tovey and suggesting that a representative from Oxford University Press be sent to see her. Typescript copy.

Letter, 15 March 1929, Edinburgh, Charles Guthrie to Robert Trevelyan. Enclosing a new agreement, thanking Trevelyan for a cheque and details of the costs of properties for the opera. Typescript signed.

Letter, 23 March 1929, Edinburgh, Charles Guthrie to Robert Trevelyan. News that the opera licence has been received by the Empire theatre, and arranging the delivery of properties. Typescript signed.

Letter, 26 March 1929, Edinburgh, Charles Guthrie to Robert Trevelyan. Discussion of the wigs, beards and moustaches ordered by Charles Ricketts for the production of 'The Bride of Dionysus'. Holograph signed.

Letter, 11 May 1929, Edinburgh, Charles Guthrie to Robert Trevelyan. Concerning the cost of storing the scenery and props of ' The Bride of Dionysus'. Typescript signed.